The OIDC OP plugin before 3.0.4 for Shibboleth Identity Provider allows server-side request forgery (SSRF) due to insufficient restriction of the request_uri parameter. This allows attackers to interact with arbitrary third-party HTTP services.
Severity
CVSS 3.1
8.2 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
EPSS
6.1% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)